An awesome webinar that answers a lot of this can be downloaded and
watched from the Potomic guys.
http://www.casadelcrappo.com/pvrc/2009-08-05%2020.01%20Contest%20Antennas%20_%20DX%20or%20Domestic_%20What_s%20Your%20Pleasure%20_%20Dean%20Straw%20N6BV.wmv
wOW THAT WAS PRETTY LONG URL GO TO THEIR WEBINAR STORAGE PAGE,
http://www.pvrc.org/webinar/webinars.htm
and cjoose N6BV - Contest antennas, DX or domestic, what's your pleasure
?
<http://www.casadelcrappo.com/pvrc/2009-08-05%2020.01%20Contest%20Antennas%20_%20DX%20or%20Domestic_%20What_s%20Your%20Pleasure%20_%20Dean%20Straw%20N6BV.wmv>
Joe WB9SBD
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 3/20/2010 5:11 PM, Edward Swynar wrote:
> Hi Ralph,
>
> This is totally unsubstantiated with any personal "...blood, sweat,& tears"
> on my part, but I recall reading somewhere years& years ago (the "NCJ",
> maybe...?) that in order to experience any detectable/noticeable benefit in
> making your tower taller, you have to at least double the existing height...
>
> Increments of one, or two, sections just doesn't cut it, apparently...
>
> ...But I defer to the real-world experts reading this who have first-hand
> practical knowledge& experience in all this...!
>
> ~73~ de Eddy VE3CUI - VE3XZ
>
>
> ************************************
>
> --- Original Message -----
> From: "Ralph Bellas"<k9zo@hotmail.com>
> To:<cq-contest@contesting.com>
> Sent: Saturday, March 20, 2010 10:17 AM
> Subject: [CQ-Contest] Going from 50 to 70 ft.
>
>
>
>> Folks,
>>
>>
>>
>> I'm beginning to frame up an article for the July/August NCJ "Contesting
>>
> on a Budget" column. The topic will be to look at the benefits, costs, and
> considerations associated with raising a tower from 50 feet to 70 feet.
> Here are some of the thoughts I have:
>
>>
>>
>> Benefits:
>>
>> You will hear and work dx which was previously unavailable. My estimate
>>
> is that you will add an S unit.
>
>> Occasionally get to run dx, especially during non-contest times.
>>
>> Be able to raise your lowband antennas.
>>
>> Add the possibility of mounting a tribander in a fixed direction to add
>>
> contest flexibility.
>
>> Possibly decrease RF in your shack and get rid of unresolved problems.
>>
>>
>>
>> Considerations:
>>
>> If you live in a hill, or have a good view, perhaps there will not be as
>>
> great a benefit.
>
>> Now you always must use proper safety equipment when climbing.
>>
>> Perhaps this is the time to replace coax, or go to a bigger antenna.
>>
>> It becomes more noticable
>>
>> Is a permit required?
>>
>> You will need to locate a gin pole for the last few sections.
>>
>> Could your signal be worse to certain areas?
>>
>>
>>
>> Costs:
>>
>> Probably you will be moving away from the simple house bracketed tower and
>>
> will have to add real anchors and guy wires.
>
>> You might have to relocate the tower and use two sets of guy wires.
>>
>> Two sections of tower, turnbuckles, clamps, rotor cable, coax, tape
>>
>>
>>
>>
>>
>> If you have been in the situation where you have raised your tower I'd
>>
> love to hear from you and learn what you came across. Thanks.
>
>>
>>
>> Ralph
>>
>> K9ZO
>>
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>
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